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Taxation (Details) - Schedule of components of deferred tax assets - USD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Deferred tax assets |  |  |
Net operating loss carryforwards | $ 19,814 | $ 14,808 | $ 9,416
Accrued expenses and others | (3,010) | 427 | 414
Less: valuation allowance | (16,804) | (15,235) | (9,830)
Net deferred tax assets |  |  |

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